What is the final pH of a buffer prepared by mixing 450 mL of 0.25 M Tris base with 130 mL of 0.50 M Tris hydrochloride? The pk₂ of Tris is 8.10. O 7.86 8.10 8.24 8.34 8.57

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What is the final pH of a buffer prepared by mixing 450 mL of 0.25 M Tris base with
130 mL of 0.50 M Tris hydrochloride? The pka
of Tris is 8.10.
7.86
8.10
8.24
8.34
8.57
All of these are reffered to in the other
question I posted.
What is the final pH if 100 mL of 0.1 M HCI is added to the buffer in question number
one (i.e., 450 mL of 0.25 M Tris base with 130 mL of 0.50 M Tris hydrochloride; pK₂ =
8.10)?
7.86
8.10
8.24
8.34
8.57
Transcribed Image Text:What is the final pH of a buffer prepared by mixing 450 mL of 0.25 M Tris base with 130 mL of 0.50 M Tris hydrochloride? The pka of Tris is 8.10. 7.86 8.10 8.24 8.34 8.57 All of these are reffered to in the other question I posted. What is the final pH if 100 mL of 0.1 M HCI is added to the buffer in question number one (i.e., 450 mL of 0.25 M Tris base with 130 mL of 0.50 M Tris hydrochloride; pK₂ = 8.10)? 7.86 8.10 8.24 8.34 8.57
What is the final pH if 200 mL of 0.1 M NaOH is added to the buffer in question
number one (i.e., 450 mL of 0.25 M Tris base with 130 mL of 0.50 M Tris hydrochloride
; pK₂ = 8.10)?
7.86
8.10
8.24
8.34
8.57
In considering the buffer prepared in question number one, what volume (in mL) of 0.1
M HCI would need to be added to adjust the final pH to 8.10?
(The buffer in question number one is 450 mL of 0.25 M Tris base with 130 mL of 0.50
M Tris hydrochloride; pK₂ = 8.10.)
33
163
238
275
382
Transcribed Image Text:What is the final pH if 200 mL of 0.1 M NaOH is added to the buffer in question number one (i.e., 450 mL of 0.25 M Tris base with 130 mL of 0.50 M Tris hydrochloride ; pK₂ = 8.10)? 7.86 8.10 8.24 8.34 8.57 In considering the buffer prepared in question number one, what volume (in mL) of 0.1 M HCI would need to be added to adjust the final pH to 8.10? (The buffer in question number one is 450 mL of 0.25 M Tris base with 130 mL of 0.50 M Tris hydrochloride; pK₂ = 8.10.) 33 163 238 275 382
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